What was found
ABOUT 2 MINUTES PRIOR TO LANDING, BOTH PILOTS SMELLED BURNING SMELL. FOUND CB PANEL 2 G7 OPEN, COPILOT MAP LIGHTS. BREAKER WAS PREVIOUSLY OPEN ON ACFT POWER UP. BURNING SMELL QUICKLY DISSIPATED. ALL OTHER INDICATIONS NORMAL. INSPECTED BEHIND CB PANEL 2 G7, CO-PILOT MAP LIGHT & SURROUNDING AREA. NO DEFECTS NOTED TO CB OR WIRING. DEFERRED FIRST OFFICERS MAP LIGHT IAW MEL 33-11-1A CAT C, ENTERED IN MM2. PLACARD INSTALLED. CB PANEL 2 G7 COLLARD. PERFORMED INSPECTION RESISTANCE & VOLTAGE CHECK OF FO MAP LIGHT WITH REFERENCE TO CRJ 900 SSM 33-13-00 AND WM 33-13-01, PERFORMED OPS CHECK OF FO MAP LIGHT IAW CRJ 900 AMM 33-13-03, OPS CHECK GOOD. CLEARED FROM MM02, PLACARD REMOVED, MXC NOTIFIED 95909."